diff --git a/src/ert/gui/plottery/plots/ensemble.py b/src/ert/gui/plottery/plots/ensemble.py
index b045b1b395c..9d24e270952 100644
--- a/src/ert/gui/plottery/plots/ensemble.py
+++ b/src/ert/gui/plottery/plots/ensemble.py
@@ -46,7 +46,7 @@ def plot(
                     plot_context.deactivateDateSupport()
                     plot_context.x_axis = plot_context.INDEX_AXIS
 
-                draw_style = "steps" if is_rate(plot_context.key()) else None
+                draw_style = "steps-pre" if is_rate(plot_context.key()) else None
                 self._plotLines(
                     axes,
                     config,
diff --git a/tests/unit_tests/shared/test_rate_keys.py b/tests/unit_tests/shared/test_rate_keys.py
index b2eb8d07a74..bed7788d617 100644
--- a/tests/unit_tests/shared/test_rate_keys.py
+++ b/tests/unit_tests/shared/test_rate_keys.py
@@ -48,7 +48,7 @@ def test_is_rate_does_not_raise_error(key):
 ]
 
 
-@given(st.sampled_from(examples))
+@given(example=st.sampled_from(examples))
 def test_is_rate_determmines_rate_key(example):
     key, rate = example
     is_rate_bool = is_rate(key)